#include <iostream>
#include <vector>
using namespace std;

const int N = 1e5 + 10; 

int n;
int edges[N];

int main(){
	cin >> n;
	for(int i = 1;i < n;i++){
		int a,b;
		cin >> a >> b;
		edges[a].push_back(b);
		edges[b].push_back(a);
	}
	return 0;
} 
